若x=-2是方程2x+3=x3-a的解,则代数式a-1a2的值是( ) A.0 B. 发布时间:2017-06-09 09:08 │ 来源:www.tikuol.com 题型:选择题 问题: 若x=-2是方程2x+3=x3-a的解,则代数式a-1a2的值是( )A.0B.-823C.-29D.29
题型:选择题 补全对话A. Why don't you go to the computer museums?B. I don't like science museums.C. History museums are boring.D. What kind of museums do you like history? Science? A children's museum?E. I think we can get there by taxi.F. That's great idea!G. What about history museum?Mother: Could you tell me if there is a good museum in Sunville?Clerk: Well, we have several. 1 Father: How about history? I like history museums. They're fascinating.Girl1: Or, Dad 2 . Let's go to the children's museum. 3 . I want to go to the children's museum, They're more fun.Gir12: Well, I'm too old for a children's museum. Why don't we go to an art museum?Clerk: 4 There are a lot of fun things for children there, you can learn all about the history of computers, as well as learn about science.Family: 5 Let's go to the computer museum. 查看答案